Home / 77,421-119,655

Finding the Third Proportional to 77,421 and 119,655

Calculator

Solution

The third proportional to 77,421 and 119,655 is: 184,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,421 : 119,655 = 119,655 : x
  2. Step 2: Convert to fraction form
    77,421/119,655 = 119,655/x
  3. Step 3: Cross multiply
    77,421x = 119,655 × 119,655
  4. Step 4: Simplify right side
    77,421x = 14,317,319,025
  5. Step 5: Solve for x
    x = 14,317,319,025/77,421
  6. Step 6: Final answer
    x = 184,928.11

Related Problems

Find third proportional to 38,710.50 and 59,827.50
Half scale
Find third proportional to 154,842 and 239,310
Double scale
Find third proportional to 77,423 and 119,658
Similar ratio
Find third proportional to 116,131.50 and 179,482.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.